While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

Penny and Sheldon design an experiment - as a joke - to make participants fall in love; Howard and Bernadette get into trouble at the airport.

Amy finds out that Sheldon applied for a one-way mission to colonize Mars; a trip to the pet store leads to a fight; Leonard has a surprise for Penny; Raj is busted while snooping in Emily's apartment.

A magazine article only credits Sheldon in an article about a paper he co-wrote with Leonard; a blackout at Mrs. Wolowitz's results in a final dinner in her honor.

When Sheldon and Leonard are asked to speak at UC Berkeley, they take a detour in hope of meeting an idol; Raj and Amy try to settle a dispute between Howard and Bernadette with a game of pingpong.

Sheldon and Amy build a blanket fort - and come to a crossroads in their relationship; Wolowitz meets a half-brother he didn't know he had; Leonard and Penny have an argument during an appearance on Wil Wheaton's podcast.

The guys fight over what message Raj should write for NASA in case of alien contact; Penny has to decide between auditioning for a movie or keeping her pharmaceutical sales job.

Wolowitz questions his engineering skills after he and Sheldon can't get a toy drone to fly; a canceled flight puts Leonard's plans in jeopardy; Raj sets his parents against one another after he's cut off financially.

When Sheldon's and Leonard's mothers finally meet, personalities collide; Howard decides to do his share of the chores - with a little help from his friends.

Brent brings his arsenal of pitches to a slo-pitch game; Davis and Karen can't ignore an act of vandalism.

Hank and Brent are made goodwill ambassadors; a new ATM machine draws a loyal following; Karen tries to learn French.

Lacey brings wine to dinner at the Leroy home; Hank's life is turned upside down when he wins the lottery.

Brent is stuck with a phony one hundred dollar bill; Lacey gets the job of landing a new doctor.

Lacey discovers the dark secret behind the town's name; Brent's old band reunites.

A big air show is on nearby and the people of Dog River are excited; Lacey's breach of air show protocol has many in town upset.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Phoebe reunites with her former singing partner (E.G. Daily); Chandler dates a woman (Sherilyn Fenn) who has a prosthetic limb.

Phoebe has trouble communicating with her new boyfriend; Ross seeks solace at a party after a bitter fight with Rachel.

Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Desperate, Monica agrees to a date with one of her restaurant customers; Phoebe's younger brother visits.

Rachel goes on her first date after splitting with Ross; Joey's new flame doesn't seem interested in him.

Rachel regrets making a date for Chandler and her boss, Joanna (Alison LaPlaca); Joey's interest in Kate (Dina Meyer) intensifies.

Monica considers accepting a dream job in Pete's (Jon Favreau) new restaurant but fears there is more to the deal.

The gang goes to the opening night of Joey's plays; Rachel brings a date (Ben Stiller) to make Ross jealous; Joey's play gets terrible reviews, but his co-star provides some comfort.

Afflicted with a mysterious skin condition, Ross seeks advice from Guru Saj; Monica can't decide about Pete.

To her horror, Monica's boyfriend plans to fight; the friends are intrigued by a conversation between two strangers.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Phoebe reunites with her former singing partner (E.G. Daily); Chandler dates a woman (Sherilyn Fenn) who has a prosthetic limb.

Phoebe has trouble communicating with her new boyfriend; Ross seeks solace at a party after a bitter fight with Rachel.

Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Desperate, Monica agrees to a date with one of her restaurant customers; Phoebe's younger brother visits.

Rachel goes on her first date after splitting with Ross; Joey's new flame doesn't seem interested in him.

Rachel regrets making a date for Chandler and her boss, Joanna (Alison LaPlaca); Joey's interest in Kate (Dina Meyer) intensifies.

Monica considers accepting a dream job in Pete's (Jon Favreau) new restaurant but fears there is more to the deal.

The gang goes to the opening night of Joey's plays; Rachel brings a date (Ben Stiller) to make Ross jealous; Joey's play gets terrible reviews, but his co-star provides some comfort.

Afflicted with a mysterious skin condition, Ross seeks advice from Guru Saj; Monica can't decide about Pete.

To her horror, Monica's boyfriend plans to fight; the friends are intrigued by a conversation between two strangers.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Phoebe reunites with her former singing partner (E.G. Daily); Chandler dates a woman (Sherilyn Fenn) who has a prosthetic limb.

Phoebe has trouble communicating with her new boyfriend; Ross seeks solace at a party after a bitter fight with Rachel.

Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Desperate, Monica agrees to a date with one of her restaurant customers; Phoebe's younger brother visits.

Rachel goes on her first date after splitting with Ross; Joey's new flame doesn't seem interested in him.

Rachel regrets making a date for Chandler and her boss, Joanna (Alison LaPlaca); Joey's interest in Kate (Dina Meyer) intensifies.

Monica considers accepting a dream job in Pete's (Jon Favreau) new restaurant but fears there is more to the deal.

The gang goes to the opening night of Joey's plays; Rachel brings a date (Ben Stiller) to make Ross jealous; Joey's play gets terrible reviews, but his co-star provides some comfort.

Afflicted with a mysterious skin condition, Ross seeks advice from Guru Saj; Monica can't decide about Pete.

To her horror, Monica's boyfriend plans to fight; the friends are intrigued by a conversation between two strangers.

Brent and Oscar form competing rinks in a cross-generational curling grudge match and Lacey is stuck in the middle.

Lacey's not invited to the Harvest Dance; Emma's dreaded jelly salad; Hank falls for highway worker.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent and Oscar form competing rinks in a cross-generational curling grudge match and Lacey is stuck in the middle.

Lacey's not invited to the Harvest Dance; Emma's dreaded jelly salad; Hank falls for highway worker.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent and Oscar form competing rinks in a cross-generational curling grudge match and Lacey is stuck in the middle.

Lacey's not invited to the Harvest Dance; Emma's dreaded jelly salad; Hank falls for highway worker.

Brent accidentally locks Hank and Wanda in Corner Gas; Emma tries to get out of making Davis's special bread.

Davis tries to get Brent to join his rugby team; Brent's more focused on inventing a new rugby chant; Hank and Karen convince Lacey to start selling pizza in the Ruby.

Dan feels helpless when Louise refuses to let him put himself at risk for her; when Jackie learns the competing restaurants are posting negative reviews about The Lunch Box, she recruits Neville to help her confront them.

Astrid and James struggle to hold onto their identities while raising their two young children in the city.

Astrid and James struggle to hold onto their identities while raising their two young children in the city.

Astrid and James struggle to hold onto their identities while raising their two young children in the city.

Astrid and James struggle to hold onto their identities while raising their two young children in the city.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

Dan feels helpless when Louise refuses to let him put himself at risk for her; when Jackie learns the competing restaurants are posting negative reviews about The Lunch Box, she recruits Neville to help her confront them.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Priya dissects the roommate agreement; the ladies take Sheldon dancing.

Audrey starts her first day and tries to influence the nickname the crew choose for her; Todd and Chelsea kick their rivalry into high gear.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.

Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.

Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.

Audrey starts her first day and tries to influence the nickname the crew choose for her; Todd and Chelsea kick their rivalry into high gear.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

Priya dissects the roommate agreement; the ladies take Sheldon dancing.

Audrey starts her first day and tries to influence the nickname the crew choose for her; Todd and Chelsea kick their rivalry into high gear.

Dan feels helpless when Louise refuses to let him put himself at risk for her; when Jackie learns the competing restaurants are posting negative reviews about The Lunch Box, she recruits Neville to help her confront them.

Becky meets up with an old friend and feels pressured to impress him; Dan questions his position at the hardware store, which leads to a massive fight with Ben.

Brent behaves differently when Wanda wears a skirt to work; feeling empowered, she tests the limits of her feminine charm, but Brent's new attitude toward her may not be motivating.

Hank's premonitions freak Wanda out; Lacey fixes the pothole.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Wanda repairs junk to re-sell at the community yard sale; Oscar, Emma, and Davis become obsessed with Karen's high-end beauty serums.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent behaves differently when Wanda wears a skirt to work; feeling empowered, she tests the limits of her feminine charm, but Brent's new attitude toward her may not be motivating.

Hank's premonitions freak Wanda out; Lacey fixes the pothole.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Wanda repairs junk to re-sell at the community yard sale; Oscar, Emma, and Davis become obsessed with Karen's high-end beauty serums.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Brent behaves differently when Wanda wears a skirt to work; feeling empowered, she tests the limits of her feminine charm, but Brent's new attitude toward her may not be motivating.

Hank's premonitions freak Wanda out; Lacey fixes the pothole.

The band Thunderface reunites; a song Brent wrote back in high school has Lacey investigating his mystery crush; Oscar shoots a fundraising video for the Seniors' Center.

Wanda repairs junk to re-sell at the community yard sale; Oscar, Emma, and Davis become obsessed with Karen's high-end beauty serums.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

There's no sound, but there sure are plenty of laughs; this crazy Quebec-based troupe uses the city as its stage, and its inhabitants, or victims, as characters.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

Ross invites an attractive paleontologist (Aisha Tyler) to a rooftop "Days of Our Lives" party being thrown by Joey.

Monica and Chandler run into an old acquaintance when they secretly go to a fertility clinic; Ross helps Joey woo the same professor (Aisha Tyler) he wants to date.

Georgie worries he's letting his family down when he's forced to stay home with a cold; Mandy worries about how her career will affect her marriage.

Astrid and James put together a complex summer schedule of camps, activities and work that only leaves one day where the entire family is free; the pressure is on to make the most of their time together.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.

Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills; Penny is compelled to tell her family that she and Leonard eloped.

An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard; Raj and Howard form a band.

Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys; when Stuart tries to attract female customers to the store, Penny, Amy and Bernadette help out.

Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.

Ross invites an attractive paleontologist (Aisha Tyler) to a rooftop "Days of Our Lives" party being thrown by Joey.

Monica and Chandler run into an old acquaintance when they secretly go to a fertility clinic; Ross helps Joey woo the same professor (Aisha Tyler) he wants to date.

Georgie worries he's letting his family down when he's forced to stay home with a cold; Mandy worries about how her career will affect her marriage.

Astrid and James put together a complex summer schedule of camps, activities and work that only leaves one day where the entire family is free; the pressure is on to make the most of their time together.

Raj tries to cure his social anxiety; Penny spies on Leonard and his girlfriend through Bernadette.

Howard's mom winds up in the hospital after hearing news of her son's engagement to Bernadette.

Becky is working double shifts and taking classes at the community college, resulting in less time with her daughter; Dan decides to foster an elderly dog.

Darlene learns some shocking news about an old friend; the Conners come together to help someone who is close to them.

When Emma gives Brent flack over his coffee drinking, he vows to quit cold turkey if she quits knitting; as Brent struggles in a caffeine free world, Emma takes up a new pastime.

Karen buys a new breathalyzer machine; Lacey puts up a new bulletin board.

The Corner Gas parking lot becomes a drive-in; Hank puts Davis and Karen on high alert for potential criminal behavior; Oscar and Emma take advantage, reliving their youthful friskiness; Lacey touches a nerve of Brent's.

Brent and Lacey go to great lengths to find each other the perfect Christmas present; Hank gets conned into helping Oscar and Emma prep their annual Christmas party; Wanda goes to war with the cops over her extreme Christmas lights display.

Alex, Carlo, Chris and Ari are four football friends who come into the Cash Cab full of confidence; they definitely score a few.

These girls catch the cab on a rainy night and are delighted to find out they are in the Cash Cab.

When Emma gives Brent flack over his coffee drinking, he vows to quit cold turkey if she quits knitting; as Brent struggles in a caffeine free world, Emma takes up a new pastime.

Karen buys a new breathalyzer machine; Lacey puts up a new bulletin board.

The Corner Gas parking lot becomes a drive-in; Hank puts Davis and Karen on high alert for potential criminal behavior; Oscar and Emma take advantage, reliving their youthful friskiness; Lacey touches a nerve of Brent's.

Brent and Lacey go to great lengths to find each other the perfect Christmas present; Hank gets conned into helping Oscar and Emma prep their annual Christmas party; Wanda goes to war with the cops over her extreme Christmas lights display.

Alex, Carlo, Chris and Ari are four football friends who come into the Cash Cab full of confidence; they definitely score a few.

These girls catch the cab on a rainy night and are delighted to find out they are in the Cash Cab.

When Emma gives Brent flack over his coffee drinking, he vows to quit cold turkey if she quits knitting; as Brent struggles in a caffeine free world, Emma takes up a new pastime.

Karen buys a new breathalyzer machine; Lacey puts up a new bulletin board.

The Corner Gas parking lot becomes a drive-in; Hank puts Davis and Karen on high alert for potential criminal behavior; Oscar and Emma take advantage, reliving their youthful friskiness; Lacey touches a nerve of Brent's.

Brent and Lacey go to great lengths to find each other the perfect Christmas present; Hank gets conned into helping Oscar and Emma prep their annual Christmas party; Wanda goes to war with the cops over her extreme Christmas lights display.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

Ross invites an attractive paleontologist (Aisha Tyler) to a rooftop "Days of Our Lives" party being thrown by Joey.

Monica and Chandler run into an old acquaintance when they secretly go to a fertility clinic; Ross helps Joey woo the same professor (Aisha Tyler) he wants to date.

Georgie worries he's letting his family down when he's forced to stay home with a cold; Mandy worries about how her career will affect her marriage.

Astrid and James put together a complex summer schedule of camps, activities and work that only leaves one day where the entire family is free; the pressure is on to make the most of their time together.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

In Barbados, Monica, Chandler and Phoebe eavesdrop on their friends' passionate encounters; Monica styles her hair to look like a blowfish; Phoebe and Mike rekindle their romance.

Ross drinks too much alcohol at dinner with Rachel, Joey and Charlie; Frank Jr. (Giovanni Ribisi) cannot cope with his precocious triplets.

Rachel and Joey nervously anticipate their first real date; Monica and Phoebe try to avoid an obnoxious friend (Jennifer Coolidge) with a fake British accent; Ross emerges from a tanning booth with a two-toned appearance.

Rachel gets Monica and Chandler to delay their trip to Vermont for Emma's first birthday bash.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate; Raj becomes Sheldon's roommate.

Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage; Bernadette and Penny try to to find Amy a new man on a dating app.

Sheldon struggles to keep his emotions in check when he is interviewed for a documentary about Spock; Penny and Leonard make a surprising discovery; Wolowitz and Bernadette get into a disagreement about remodeling his childhood home.

Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon; Penny and Bernadette decide to spy when Amy is secretive about who she is dating.

Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate; Raj becomes Sheldon's roommate.

In Barbados, Monica, Chandler and Phoebe eavesdrop on their friends' passionate encounters; Monica styles her hair to look like a blowfish; Phoebe and Mike rekindle their romance.

Ross drinks too much alcohol at dinner with Rachel, Joey and Charlie; Frank Jr. (Giovanni Ribisi) cannot cope with his precocious triplets.

Rachel and Joey nervously anticipate their first real date; Monica and Phoebe try to avoid an obnoxious friend (Jennifer Coolidge) with a fake British accent; Ross emerges from a tanning booth with a two-toned appearance.

Rachel gets Monica and Chandler to delay their trip to Vermont for Emma's first birthday bash.

Bernadette gets her Ph.D., inspiring the guys to tease Wolowitz about his lack of a doctorate; Raj becomes Sheldon's roommate.

Penny worries that she has ruined her relationship with her friends; Sheldon takes over the paintball team.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

Hank is being outwitted by a dog; Brent and Lacy create travel mugs for souvenirs.

Brent's annual trip to exotic locales stirs jealousy; Oscar experiments with e-mail.

Brent and Wanda help Lacey overcome her fears so she can go skydiving; Hank becomes the town messenger; Oscar and Emma go to war with Karen and Davis over a prime potato planting locale.

Wanda, Lacey, and Karen team up to fix The Ruby's broken toaster; Emma and Oscar have an impression-off; Davis is excited when he discovers Hank owns a valuable action figure.

Peter, Adam, Jeff and James are four dudes out for a night on the town; they are so excited to be in the Cash Cab.

These gals have been waiting for the day that they get to be on "Cash Cab," and here it is; unfortunately for them, they get two strikes at the start of the game.

Hank is being outwitted by a dog; Brent and Lacy create travel mugs for souvenirs.

Brent's annual trip to exotic locales stirs jealousy; Oscar experiments with e-mail.

Brent and Wanda help Lacey overcome her fears so she can go skydiving; Hank becomes the town messenger; Oscar and Emma go to war with Karen and Davis over a prime potato planting locale.

Wanda, Lacey, and Karen team up to fix The Ruby's broken toaster; Emma and Oscar have an impression-off; Davis is excited when he discovers Hank owns a valuable action figure.

Peter, Adam, Jeff and James are four dudes out for a night on the town; they are so excited to be in the Cash Cab.

These gals have been waiting for the day that they get to be on "Cash Cab," and here it is; unfortunately for them, they get two strikes at the start of the game.

Hank is being outwitted by a dog; Brent and Lacy create travel mugs for souvenirs.

Brent's annual trip to exotic locales stirs jealousy; Oscar experiments with e-mail.

Brent and Wanda help Lacey overcome her fears so she can go skydiving; Hank becomes the town messenger; Oscar and Emma go to war with Karen and Davis over a prime potato planting locale.

Wanda, Lacey, and Karen team up to fix The Ruby's broken toaster; Emma and Oscar have an impression-off; Davis is excited when he discovers Hank owns a valuable action figure.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

In Barbados, Monica, Chandler and Phoebe eavesdrop on their friends' passionate encounters; Monica styles her hair to look like a blowfish; Phoebe and Mike rekindle their romance.

Ross drinks too much alcohol at dinner with Rachel, Joey and Charlie; Frank Jr. (Giovanni Ribisi) cannot cope with his precocious triplets.

Rachel and Joey nervously anticipate their first real date; Monica and Phoebe try to avoid an obnoxious friend (Jennifer Coolidge) with a fake British accent; Ross emerges from a tanning booth with a two-toned appearance.

Rachel gets Monica and Chandler to delay their trip to Vermont for Emma's first birthday bash.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

At Marshall and Lily's wedding, Barney discovers that Ted and Robin have a secret that they have been hiding for weeks.

When he sees Robin with an Argentine lover (Enrique Iglesias) by her side, Ted decides he is ready to hit the town with Barney.

Devoted nurse Alex has just been promoted to Supervising Nurse in the emergency department at St. Denis Medical Center in Oregon. She works alongside an eclectic team of underfunded yet dedicated doctors, nurses and hospital staff, including her boss, Joyce, who wants nothing more than to turn the hospital into an international medical destination, and Dr. Ron, who's done it all, seen it all and is pretty much over it all. They're all doing their best not to lose their patience in a hospital overrun with patients - while caring for everyone who comes in the door, including each other.

Barney and Ted decide to pose as out-of-towners in hope of getting the same female attention Robin's Argentine friend (Enrique Iglesias) receives.

Georgia invites Matt and Riley to speak at her school's Career Day, where playful competition turns tense when Riley learns Georgia is ashamed of her job; Gabriel mentors Carter's car project until a more urgent piece of business arises.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting.

Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.

After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

Amy and Sheldon spend Thanksgiving at the aquarium - as friends; Wolowitz volunteers at the soup kitchen with Raj, Emily and Bernadette; Penny realizes that Leonard knows her better than she thought.

Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner; Koothrappali and Wolowitz are obsessed with a fan of their band.

After dating for more than five years, Amy and Sheldon spend the night together for the first time; Leonard, Wolowitz, and Koothrappali must decide what to do with an extra movie ticket.

Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting.

At Marshall and Lily's wedding, Barney discovers that Ted and Robin have a secret that they have been hiding for weeks.

When he sees Robin with an Argentine lover (Enrique Iglesias) by her side, Ted decides he is ready to hit the town with Barney.

Barney and Ted decide to pose as out-of-towners in hope of getting the same female attention Robin's Argentine friend (Enrique Iglesias) receives.

Devoted nurse Alex has just been promoted to Supervising Nurse in the emergency department at St. Denis Medical Center in Oregon. She works alongside an eclectic team of underfunded yet dedicated doctors, nurses and hospital staff, including her boss, Joyce, who wants nothing more than to turn the hospital into an international medical destination, and Dr. Ron, who's done it all, seen it all and is pretty much over it all. They're all doing their best not to lose their patience in a hospital overrun with patients - while caring for everyone who comes in the door, including each other.

Georgia invites Matt and Riley to speak at her school's Career Day, where playful competition turns tense when Riley learns Georgia is ashamed of her job; Gabriel mentors Carter's car project until a more urgent piece of business arises.

Amy is caught in the middle when Penny and Sheldon get into an argument over a pre-owned chair; Leonard tries to make his long-distance relationship more exciting.

Amy and Leonard try to become better acquainted; Bernadette, Howard and Mrs. Wolowitz spend the weekend together.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

Lacey wants to start a running club; Hank's new crossing guard job.

Brent and Hank battle to take back their childhood tree house; Oscar's in denial.

Brent purchases a new digital camera; trivia showdown; Oscar is haunted by a ceramic gnome.

Oscar tries to fix a roof; Brent and Karen write a kid's book on bike safety.

Matt, Daryl and Mark may well be the funniest guys ever in the Cash Cab; a first time in "Cash Cab" history for host Adam.

This gang is stoked to find out that they have entered the Cash Cab, bur they get a strike early in the game.

Lacey wants to start a running club; Hank's new crossing guard job.

Brent and Hank battle to take back their childhood tree house; Oscar's in denial.

Brent purchases a new digital camera; trivia showdown; Oscar is haunted by a ceramic gnome.

Oscar tries to fix a roof; Brent and Karen write a kid's book on bike safety.

Matt, Daryl and Mark may well be the funniest guys ever in the Cash Cab; a first time in "Cash Cab" history for host Adam.

This gang is stoked to find out that they have entered the Cash Cab, bur they get a strike early in the game.

Lacey wants to start a running club; Hank's new crossing guard job.

Brent and Hank battle to take back their childhood tree house; Oscar's in denial.

Brent purchases a new digital camera; trivia showdown; Oscar is haunted by a ceramic gnome.

Oscar tries to fix a roof; Brent and Karen write a kid's book on bike safety.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

At Marshall and Lily's wedding, Barney discovers that Ted and Robin have a secret that they have been hiding for weeks.

When he sees Robin with an Argentine lover (Enrique Iglesias) by her side, Ted decides he is ready to hit the town with Barney.

Barney and Ted decide to pose as out-of-towners in hope of getting the same female attention Robin's Argentine friend (Enrique Iglesias) receives.

Devoted nurse Alex has just been promoted to Supervising Nurse in the emergency department at St. Denis Medical Center in Oregon. She works alongside an eclectic team of underfunded yet dedicated doctors, nurses and hospital staff, including her boss, Joyce, who wants nothing more than to turn the hospital into an international medical destination, and Dr. Ron, who's done it all, seen it all and is pretty much over it all. They're all doing their best not to lose their patience in a hospital overrun with patients - while caring for everyone who comes in the door, including each other.

Georgia invites Matt and Riley to speak at her school's Career Day, where playful competition turns tense when Riley learns Georgia is ashamed of her job; Gabriel mentors Carter's car project until a more urgent piece of business arises.

Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

Part of Becky's recovery program mandates she make amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

Two beautiful women show Ted that they are very attracted to him; the gang helps Ted realize that bad luck does not always come in threes.

When Robin begins to date a single father, she bonds with his young son.

Ted's new girl is jealous because the story of how Ted met his friends is better than the story of how he met her.

Marshall gives up his dream of saving the Earth in favor of money after being courted by a lawyer (John Cho) from a corporate firm.

Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.

Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.

Conan visits various sites throughout the country and brings along fan favorite show staffer Jordan Schlansky; he takes a whirlwind road trip to meet the people and enjoy Italian food and culture; Conan appears on an Italian soap opera.

Leonard agrees to meet with a psychiatrist (Jane Kaczmarek) on Penny's behalf; Sheldon and Koothrappali work together on an astronomical discovery; Wolowitz and Bernadette struggle with their feelings when Stuart moves out.

After dealing with Sheldon while he was sick, Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.

Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy; Raj questions his relationship with Emily after meeting someone new.

Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.

Conan visits various sites throughout the country and brings along fan favorite show staffer Jordan Schlansky; he takes a whirlwind road trip to meet the people and enjoy Italian food and culture; Conan appears on an Italian soap opera.

Ted's new girl is jealous because the story of how Ted met his friends is better than the story of how he met her.

Marshall gives up his dream of saving the Earth in favor of money after being courted by a lawyer (John Cho) from a corporate firm.

Raj wants a girlfriend, so Penny introduces him to a woman he can communicate with.

Wil Wheaton invites Leonard and Sheldon to a party at his house; Howard receives an opportunity.

After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.

Part of Becky's recovery program mandates she make amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

Brent fears he is losing his hair; Wanda gets a new lamp and has to fight to keep it.

Lacey starts a coffee shop newsletter; Oscar's childhood dream.

Lacey's friend Connie comes to Dog River; Davis thinks Karen would make a bad undercover cop.

It's Dog River's 100th birthday and Hank wants to pay tribute by building a scale model of the town using Lego blocks; like any artist, he demands perfection.

Davis shapes up; Brent and Lacey compete to get a secret from Karen.

Brent enters into a long-term relationship; Wanda's telescope.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.

Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.

The group struggles through an awkward morning after Sheldon's mother and Leonard's father spend an evening together; Penny's family arrives.

Wolowitz has a meeting with Colonel Williams, a representative from the Air Force Department of Material Command.

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feeling about her pregnancy.

After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

During a group get-together, a minor argument between Sheldon and Leonard turns into a heated debate, leaving the rest of the gang to choose sides.

The gang runs into Penny's old boyfriend while out at a wine bar; Bernadette spends an evening with Sheldon; Koothrappali's introduction of his new girlfriend doesn't go as planned.

Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.

Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.

The group struggles through an awkward morning after Sheldon's mother and Leonard's father spend an evening together; Penny's family arrives.

Wolowitz has a meeting with Colonel Williams, a representative from the Air Force Department of Material Command.

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feeling about her pregnancy.

After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.

Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Penny and Leonard wrestle with getting older; Howard and Bernadette make a discovery in their hot tub; Raj is torn between Emily and another woman.

The gang celebrates news of Bernadette's pregnancy by singing karaoke; Wolowitz's reaction to the pregnancy announcement worries Bernadette; Wolowitz believes he needs to make more money to support his growing family.

For the first time in nine years, the gang celebrates Sheldon's birthday - surprising him with a special guest.

Leonard, Sheldon and Wolowitz file for a patent on their new invention; Penny, Amy and Bernadette give dating advice to Koothrappali after his breakup with Emily.

Sheldon makes a surprise revelation when Amy buys him a new laptop; Leonard and Wolowitz get sold out by Koothrappali after lying to their wives to attend a movie screening.

Sheldon shares a secret about Leonard when the two go on a weekend trip with Penny and Amy; Koothrappali goes all out with pregnancy gifts.

Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy; Penny has a difficult time connecting with Leonard's visiting mother.

Leonard's recently divorced parents and Sheldon's devoutly religious mother visit; when they are contacted about their guidance system, Wolowitz and Koothrappali think the government is after them.

The group struggles through an awkward morning after Sheldon's mother and Leonard's father spend an evening together; Penny's family arrives.

Wolowitz has a meeting with Colonel Williams, a representative from the Air Force Department of Material Command.

Sheldon tries to stay awake with an energy drink as the gang races to finish its government project on time; Penny and Amy attend a gathering at Bert the Geologist's house; Koothrappali learns Bernadette's true feeling about her pregnancy.

After her apartment floods, Amy suggests that she and Sheldon move in together; Koothrappali finds out the gender of Howard and Bernadette's baby before they do.

A simple jar of jellybeans turns Dog River's park from a dilapidated local hazard into full-blown scandal.

Brent helps Lacey buy a new car; Karen and Davis try to break the idea of cops in donut shops.

Karen is upset when Emma cuts Brent's hair; Hank promises to stain Lacey's deck.

When a morning radio DJ impersonates Brent on his show, he goes out of his way to prove it's not him; Lacey is upset with her delivery service.

Oscar and Emma argue over the room temperature; Karen makes Lacey regret disobeying a local yield sign.

Brent and Lacey mentor high school students; Emma decides to be nicer to Oscar.

To atone for kissing Joey's girlfriend, Chandler agrees to stay inside a shipping crate during the Thanksgiving holiday.

Rachel's career is obstructed by her boss, Joanna; Monica faces a big decision; Chandler, Ross and Joey party.

Ross struggles to maintain a long-distance relationship; Chandler's well-intended attempts to get Rachel a date seem to miss the mark; Monica's plan to assert some authority at her new restaurant goes awry.

Phoebe's brother (Giovanni Ribisi) asks her to carry a baby for him and his wife; Chandler gets lessons in love; Joey finds himself in a class struggle.

Phoebe undergoes an embryo implant procedure to become a surrogate mother for her brother (Giovanni Ribisi) and his wife (Debra Jo Rupp); Monica and Rachel wager their apartment in a trivia game against Chandler and Joey.

Rachel's setback at work leads to a new romantic interest; Chandler is jealous of Kathy's onstage co-star.

A visit to a strip joint fails to cheer up Chandler; Rachel gets Ross to go to an opera; Charlton Heston finds Joey in a compromising position during a movie shoot.

Ross takes up rugby to impress Emily (Helen Baxendale); Chandler sets up a ruse to avoid his former girlfriend Janice (Maggie Wheeler).

Rachel throws a surprise party for Emily so she can invite Joshua; Phoebe develops a craving for meat.

Ross tells Emily (Helen Baxendale) how he feels about her; Chandler and Joey suddenly receive a free adult TV channel in their apartment; Phoebe gets some surprising news about her pregnancy.

Ross has concerns about Emily's interests; Rachel's plans for Joshua are upset by a late change of venue.

Ross tries to keep Emily from returning to London; Monica and Rachel attempt to win back their apartment.

Monica and Phoebe find life in wedding attire has its charm; Rachel asks Joshua for more spontaneity.

Rachel and Ross reminisce separately about when they dated each other; the friends get invitations to Ross's wedding, but not all of them are going.

To atone for kissing Joey's girlfriend, Chandler agrees to stay inside a shipping crate during the Thanksgiving holiday.

Rachel's career is obstructed by her boss, Joanna; Monica faces a big decision; Chandler, Ross and Joey party.

Ross struggles to maintain a long-distance relationship; Chandler's well-intended attempts to get Rachel a date seem to miss the mark; Monica's plan to assert some authority at her new restaurant goes awry.

Phoebe's brother (Giovanni Ribisi) asks her to carry a baby for him and his wife; Chandler gets lessons in love; Joey finds himself in a class struggle.

Phoebe undergoes an embryo implant procedure to become a surrogate mother for her brother (Giovanni Ribisi) and his wife (Debra Jo Rupp); Monica and Rachel wager their apartment in a trivia game against Chandler and Joey.

Rachel's setback at work leads to a new romantic interest; Chandler is jealous of Kathy's onstage co-star.